Hi,
first, WB is the best cms ever, i love it! Keep it up.
now problem, i installed wb 2.8.1 and created some pages, on main page i wanted to add some internal links using Insert/Edit Website Baker link, window showed up but nothing more:

I tried reinstall fckeditor, install ckeditor and tinimce but its the same.
I have no firewall no ad-blockers.
Tried on all web browsers.
Same problem with droplets.
Please help and thanks in advance.
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Problem was with server security